/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.ingest;

import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.telemetry.metric.MeterRegistry;
import org.elasticsearch.threadpool.DefaultBuiltInExecutorBuilders;
import org.elasticsearch.threadpool.ThreadPool;

/**
 * This Elastic-internal API bridge class exposes package-private components of Ingest
 * in a way that can be consumed by Logstash's Elastic Integration Filter without
 * expanding Elasticsearch's externally-consumable API.
 */
public class LogstashInternalBridge {

    private LogstashInternalBridge() {}

    /**
     * The document has been redirected to another target.
     * This implies that the default pipeline of the new target needs to be invoked.
     *
     * @return whether the document is redirected to another target
     */
    public static boolean isReroute(final IngestDocument ingestDocument) {
        return ingestDocument.isReroute();
    }

    /**
     * Set the reroute flag of the provided {@link IngestDocument} to {@code false}.
     */
    public static void resetReroute(final IngestDocument ingestDocument) {
        ingestDocument.resetReroute();
    }

    /**
     * @param settings
     * @return a new {@link ThreadPool} with a noop {@link MeterRegistry} and default executors
     */
    public static ThreadPool createThreadPool(final Settings settings) {
        return new ThreadPool(settings, MeterRegistry.NOOP, new DefaultBuiltInExecutorBuilders());
    }
}